An official name is yet to be given to the subject matter. Please add an official name when reliable sources confirm it.
Late Classic refers to seven versions of Classic released from October 27 to November 10, 2009. These versions are all in Creative mode, except for the Survival mode variant of 0.30, but Survival mode can be enabled in all versions by editing a line of Minecraft.class in minecraft.jar.
Additions[]
Building
Left click removes blocks and right click places blocks.